91554-ZY9-000 Collar (6.2X7.5) - Overview. The 91554-ZY9-000 Collar (6.2X7.5) is a precision-engineered component designed for Honda marine engine systems. This collar plays a critical role in the rigging and assembly systems by maintaining proper spacing and alignment within mechanical assemblies. Crafted to meet exact factory specifications, the collar ensures seamless integration with existing parts, preserving optimal performance and long-term durability in demanding marine environments.. Ke